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Solid Waste 2 (RECYCLING ( Preconsumer: ( Scrap that is recycled without…
Solid Waste 2
RECYCLING
Resource recovery or recycling means that the materials must not only have been removed from the waste stream but in essence must be purchased by an end-user as well
Process includes the collection, separation and processing of waste stream products into new forms that are sold to manufacturers and finally purchased as a new product with reprocesses materials
After source reduction, this is the highest priority
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Postconsumer:
Products that are used as originally intended and then form part of
waste stream before being recovered
OTHER METALS
Nonferrous:
Al, Cu, Pb and Zn
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MSW: discarded
refrigerators, stoves, water
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PAPER BOARD RECYCLING
Largest single category of waste generation and waste recovery
2005 84M tons generated
50% recovered
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COMPOSTING
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Composting:
“… aerobic degradation of organic materials under controlled
conditions yielding marketable soil amendment or mulch.”
Fine soil conditioner
Cannot be compared with commercial fertilizers
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